General Science Class 10

Respiratory surface possesses following property?

1. Thin and wet
2. Permeable
3. Very large
4. All of these

Inspiration involves :

1. Contraction of intercostals muscles
2. Contraction of diaphragm
3. Inward movement of ribs
4. Both A and B

Larynx is located on :

1. Lungs
2. Trachea
3. Bronchus
4. Bronchiole

The respiratory surface of human is :

1. Nostril
2. Bronchiole
3. Alveoli
4. Trachea

Increase in rate of breathing is due to the following?

1. Increase CO2 in blood
2. Increase O2 in blood
3. Decrease CO2 in blood
4. Decrease O2 in blood

Which of the following disorder is associated with degeneration of alveoli?

1. Bronchitis
2. Lung cancer
3. Asthma
4. Emphysema

Which of the following disorder is associated with inflammation of air passage ways?

1. Bronchitis
2. Lung cancer
3. Asthma
4. Emphysema

The internal condition of an organism is referred as :

1. Homeostasis
2. Internal environment
3. Internal metabolism
4. Feedback mechanism

A set of metabolism reaction which maintain internal environment is :

1. Positive feedback
2. Negative feedback
3. Osmoregulation
4. Homeostasis

Removal of extra liquid water is :

1. Exudation
2. Guttation
3. Respiration
4. Transpiration